Home / 27,788,681.56-38,348,605.71-15,398,981.93

Finding the Fourth Proportional to 27,788,681.56, 38,348,605.71 and 15,398,981.93

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Solution

The fourth proportional to 27,788,681.56, 38,348,605.71 and 15,398,981.93 is: 21,250,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,788,681.56 : 38,348,605.71 = 15,398,981.93 : x
  2. Step 2: Convert to fraction form
    27,788,681.56/38,348,605.71 = 15,398,981.93/x
  3. Step 3: Cross multiply
    27,788,681.56x = 38,348,605.71 × 15,398,981.93
  4. Step 4: Simplify right side
    27,788,681.56x = 590,529,486,368,984.88
  5. Step 5: Solve for x
    x = 590,529,486,368,984.88/27,788,681.56
  6. Step 6: Final answer
    x = 21,250,719.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.